Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Reexamination Certificate
2008-05-13
2008-05-13
Look, Edward K. (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
With heating, cooling or thermal insulation means
Changing state mass within or fluid flow through working...
C416S232000, C029S889721, C029S889700
Reexamination Certificate
active
07371049
ABSTRACT:
A method for manufacturing a turbine engine component comprises the steps of forming a first half of an airfoil portion of the turbine engine component and forming a plurality of microcircuits having at least one passageway on an exposed internal wall of the first half of the airfoil portion. The method further comprises forming a second half of the airfoil portion of said turbine engine component, and forming at least one additional cooling microcircuit having at least one passageway on an exposed internal wall of the second half of the airfoil portion. Thereafter, the first half is placed in an abutting relationship with the second half after the cooling microcircuits have been formed and inspected. The first half and the second half are joined together to form the airfoil portion.
REFERENCES:
patent: 5392515 (1995-02-01), Auxier et al.
Cunha Frank
Pietraszkiewicz Edward F.
Sharma Om Parkash
Bachman & LaPointe
Look Edward K.
United Technologies Corporation
White Dwayne J
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